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Table 1 Pyrosequencing data and diversity indices of the faecal microbiota of broiler chickens

From: Effects of Bacillus subtilis CSL2 on the composition and functional diversity of the faecal microbiota of broiler chickens challenged with Salmonella Gallinarum

Group* Diversity indices (Mean ± standard deviation)
No. of readsa OTU Chao1 Shannon Simpson PD
NC (Before) 12,532 ± 6,666 725 ± 420 1,443 ± 752 5.41 ± 1.19 0.92 ± 0.05 48.8 ± 25.75
NC (After) 10824 ± 3,322 712 ± 369 1,555 ± 729 5.79 ± 1.20 0.94 ± 0.04 48.8 ± 21.71
SC (Before) 12,176 ± 8,221 693 ± 447 1,418 ± 938 5.50 ± 0.85 0.93 ± 0.04 45.4 ± 28.49
SC (After) 7701 ± 3,665 421 ± 240 890 ± 482 4.61 ± 1.00 0.85 ± 0.07 30.7 ± 15.04
BT (Before) 8212 ± 4,494 493 ± 274 1,023 ± 574 4.98 ± 1.13 0.88 ± 0.07 36.5 ± 20.07
BT (After) 14,199 ± 5,013 580 ± 254 1,047 ± 360 5.06 ± 1.03 0.90 ± 0.06 36.8 ± 14.35
  1. *Legend: NC, negative control; SC, Salmonella challenged; BT, Bacillus treated; OTU, operational taxonomic unit; PD, phylogenetic distance (whole tree)
  2. aMean number of raw reads per treatment group. No significant differences (P < 0.05) in alpha diversity were detected between groups using compare_alpha_diversity.py script